DNA is the fundamental molecule the carries genetic instructions that help build the living world. DNA是携带遗传指令最基本的分子,帮助建造了生机勃勃的世界。 Humans have DNA. Pigs have DNA. Even bacteria and some viruses hav

发表于:2019-01-03 / 阅读(63) / 评论(0) 分类 TED演讲科技篇

You would have thought, Wow! I can now call my Aunt Glenda from the car and wish her a happy birthday. 你一定会想:哇喔!我现在可以在车里打电话给我姨妈Glenda,祝她生日快乐了。 I can call anyone, anytime. This is the f

发表于:2019-01-03 / 阅读(65) / 评论(0) 分类 TED演讲科技篇

And in the same way many of us are now wearing sensors that detect our heart rate, 同样的方式,我们现在很多人都使用穿戴式侦测器,可以侦测我们的心跳、 our respiration, our genes, on the hopes that this may help us prev

发表于:2019-01-03 / 阅读(65) / 评论(0) 分类 TED演讲科学篇

Always finding excuses to skip the gym? Congratsyou might be able to blame your genes. Because the mere desire to exercise may be inherited, at least in mice. So says a study in the journal Proceedings of the Royal Society B. The experiment started b

发表于:2019-01-08 / 阅读(100) / 评论(0) 分类 Scientific American(九)月

Do-It-Yourself Genetic Tests Raises Questions for Consumers “自己动手”基因测试引起消费者疑问 Alison (not her real name), is 32 years old and a magazine editor. She has a baby and is

发表于:2019-01-09 / 阅读(106) / 评论(0) 分类 VOA2005(上)--环境科学探索

Geneticist 遗传学家 If you mom's blood type is O and your dad's blood type is A. 如果你妈妈是O型血,你爸爸是A型血。 Your blood type must be either A or O. 那你不是A型血就是O型血。 How do we know this fact? 我们是怎么

发表于:2019-01-10 / 阅读(81) / 评论(0) 分类 与美国小学生一起学英文第11册

AS IT IS 2014-09-20 Scientists Discover Secrets of Coffee 科学家发现咖啡的秘密 An international team of researchers has created a sequence, or map, of the genes of the coffee plant known as Robusta. About one-third of the coffee drunk world

发表于:2019-01-12 / 阅读(76) / 评论(0) 分类 2014年VOA慢速英语(九)月

When faced with a big challenge where potential failure seems to lurk at every corner, 当面临一个巨大的挑战时,失败的可能性貌似在各个角落潜伏着, maybe you've heard this advice before: Be more confident. 也许你曾听过这

发表于:2019-01-17 / 阅读(59) / 评论(0) 分类 TED演讲教育篇

Retail therapy has long been a treat for millions of women who enjoy nothing better than a trawlround the shops. 购物疗法一向是众多女性的乐事,对她们而言,再没有什么比逛商店更好的事情了。 For those who pause long

发表于:2019-01-17 / 阅读(91) / 评论(0) 分类 实用英语

Feb 28th, 1953, in Britain, scientists say and they found the double helix structure of DNA, the molecule that contains the human genes. Years later, Francis Crick describes this discovery that he and fellow scientist James Watson made. Biological sy

发表于:2019-01-19 / 阅读(66) / 评论(0) 分类 历史上的今天-2012年

Feb 28th, 1953, in Britain, scientists say they found the double helix structure of DNA, the molecule that contains the human genes. Years later, Francis Crick describes this discovery that he and fellow scientist James Watson made. Biological system

发表于:2019-01-19 / 阅读(61) / 评论(0) 分类 历史上的今天-2013年

Feb 28th, 1953, in Britain, scientists say and they found the double helix structure of DNA, the molecule that contains the human genes. Years later, Francis Crick describes this discovery that he and fellow scientist James Watson made. Biological sy

发表于:2019-01-19 / 阅读(61) / 评论(0) 分类 历史上的今天-2015年

Better Sleep 高质量睡眠 Know your sleep type 了解你自己的睡眠类型。 Some people like Margaret Thatcher,Gandhi and Winston Churchill may have famously thrived on less sleep but they're a rarity. 诸如撒切尔、甘地和丘吉尔等人

发表于:2019-01-22 / 阅读(183) / 评论(0) 分类 英语听力广播—Listening

Science and Technology Healthy living Mind and body 科技 健康生活 身与心 The reason loneliness could be bad for your health 孤独会对你的健康不利的原因 SCIENCE has many uses, but it doesn't often produce handy pick-up lines. Rece

发表于:2019-01-26 / 阅读(64) / 评论(0) 分类 经济学人科技系列

Science and technology 科学技术 Epigenetics and health 表观遗传学与健康 Grandma's curse 祖母的诅咒 Some of the effects of smoking may be passed from grandmother to grandchild 祖母吸烟产生的影响可以会遗传至孙子或孙女

发表于:2019-01-28 / 阅读(46) / 评论(0) 分类 经济学人科技系列

59 美国科学家正试图培育抗叶锈病小麦 DATE=6-19-01 TITLE=AGRICULTURE REPORT - Developing Wheat Resistant to Leaf Rust BYLINE=George Grow (Start at 59

发表于:2019-01-30 / 阅读(117) / 评论(0) 分类 科技之光

64 基因疗法治疗血友病疗效有限 DATE=6-28-01 TITLE=SCIENCE REPORT - Gene Therapy to Treat Hemophilia BYLINE=Nancy Steinbach (Start at 01'02

发表于:2019-01-30 / 阅读(96) / 评论(0) 分类 科技之光

This is the VOA Special English Agriculture Report. Soybeans are eaten by people and fed to animals. Some farmers grow them to replace lost nitrogen in the soil. Soybeans were first grown in Asia thousands of years ago. Now scientists have a full gen

发表于:2019-01-31 / 阅读(72) / 评论(0) 分类 2010年慢速英语(二)月

今天我们要学的词是breakthrough。 Breakthrough, 是突破的意思。最近,加拿大的一组科研人员发现了一种独特的基因,可以阻止癌细胞繁殖,发展成为肿瘤。They made a significant cancer breakthrough, 他们

发表于:2019-02-04 / 阅读(51) / 评论(0) 分类 英语每日一词

The number of people living past 100 has soared by 71 per cent in the past decade. And while one expert believes this figure will continue to rise, he stated that anyone hoping to live for double or triple this time will be disappointed. Speaking at

发表于:2019-02-05 / 阅读(72) / 评论(0) 分类 英语新闻